author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Mon, 25 Oct 2010 15:31:29 +0200 | |
changeset 6622 | 27402fe6a94a |
parent 6580 | 798200432f50 |
child 6684 | b8bd0ecced2e |
permissions | -rw-r--r-- |
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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parents:
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# |
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# This file is part of CubicWeb. |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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5 |
# |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
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# terms of the GNU Lesser General Public License as published by the Free |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
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# Software Foundation, either version 2.1 of the License, or (at your option) |
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# any later version. |
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# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License along |
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""Some utilities for CubicWeb server/clients.""" |
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__docformat__ = "restructuredtext en" |
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import os |
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import sys |
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import decimal |
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import datetime |
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import random |
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from inspect import getargspec |
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from itertools import repeat |
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from uuid import uuid4 |
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from warnings import warn |
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from logilab.mtconverter import xml_escape |
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from logilab.common.deprecation import deprecated |
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_MARKER = object() |
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# initialize random seed from current time |
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random.seed() |
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def make_uid(key=None): |
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"""Return a unique identifier string. |
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if specified, `key` is used to prefix the generated uid so it can be used |
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for instance as a DOM id or as sql table names. |
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See uuid.uuid4 documentation for the shape of the generated identifier, but |
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this is basicallly a 32 bits hexadecimal string. |
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""" |
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if key is None: |
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return uuid4().hex |
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return str(key) + uuid4().hex |
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def dump_class(cls, clsname): |
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"""create copy of a class by creating an empty class inheriting |
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from the given cls. |
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Those class will be used as place holder for attribute and relation |
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description |
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""" |
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# type doesn't accept unicode name |
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# return type.__new__(type, str(clsname), (cls,), {}) |
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# __autogenerated__ attribute is just a marker |
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return type(str(clsname), (cls,), {'__autogenerated__': True, |
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'__doc__': cls.__doc__, |
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'__module__': cls.__module__}) |
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def support_args(callable, *argnames): |
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"""return true if the callable support given argument names""" |
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argspec = getargspec(callable) |
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if argspec[2]: |
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return True |
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for argname in argnames: |
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if argname not in argspec[0]: |
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return False |
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return True |
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class wrap_on_write(object): |
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""" Sometimes it is convenient to NOT write some container element |
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if it happens that there is nothing to be written within, |
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but this cannot be known beforehand. |
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Hence one can do this: |
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.. sourcecode:: python |
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with wrap_on_write(w, '<div class="foo">', '</div>') as wow: |
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component.render_stuff(wow) |
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""" |
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def __init__(self, w, tag, closetag=None): |
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self.written = False |
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self.tag = unicode(tag) |
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self.closetag = closetag |
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self.w = w |
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def __enter__(self): |
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return self |
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def __call__(self, data): |
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if self.written is False: |
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self.w(self.tag) |
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self.written = True |
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self.w(data) |
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def __exit__(self, exctype, value, traceback): |
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if self.written is True: |
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if self.closetag: |
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self.w(unicode(self.closetag)) |
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109 |
else: |
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110 |
self.w(self.tag.replace('<', '</', 1)) |
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111 |
|
0 | 112 |
|
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113 |
# use networkX instead ? |
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114 |
# http://networkx.lanl.gov/reference/algorithms.traversal.html#module-networkx.algorithms.traversal.astar |
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115 |
def transitive_closure_of(entity, relname, _seen=None): |
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116 |
"""return transitive closure *for the subgraph starting from the given |
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117 |
entity* (eg 'parent' entities are not included in the results) |
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118 |
""" |
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119 |
if _seen is None: |
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120 |
_seen = set() |
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121 |
_seen.add(entity.eid) |
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122 |
yield entity |
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123 |
for child in getattr(entity, relname): |
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124 |
if child.eid in _seen: |
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125 |
continue |
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126 |
for subchild in transitive_closure_of(child, relname, _seen): |
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127 |
yield subchild |
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|
128 |
|
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129 |
|
0 | 130 |
class SizeConstrainedList(list): |
131 |
"""simple list that makes sure the list does not get bigger |
|
132 |
than a given size. |
|
133 |
||
134 |
when the list is full and a new element is added, the first |
|
135 |
element of the list is removed before appending the new one |
|
136 |
||
137 |
>>> l = SizeConstrainedList(2) |
|
138 |
>>> l.append(1) |
|
139 |
>>> l.append(2) |
|
140 |
>>> l |
|
141 |
[1, 2] |
|
142 |
>>> l.append(3) |
|
143 |
[2, 3] |
|
144 |
""" |
|
145 |
def __init__(self, maxsize): |
|
146 |
self.maxsize = maxsize |
|
147 |
||
148 |
def append(self, element): |
|
149 |
if len(self) == self.maxsize: |
|
150 |
del self[0] |
|
151 |
super(SizeConstrainedList, self).append(element) |
|
152 |
||
153 |
def extend(self, sequence): |
|
154 |
super(SizeConstrainedList, self).extend(sequence) |
|
155 |
keepafter = len(self) - self.maxsize |
|
156 |
if keepafter > 0: |
|
157 |
del self[:keepafter] |
|
158 |
||
159 |
__iadd__ = extend |
|
160 |
||
161 |
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162 |
class RepeatList(object): |
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163 |
"""fake a list with the same element in each row""" |
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164 |
__slots__ = ('_size', '_item') |
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165 |
def __init__(self, size, item): |
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166 |
self._size = size |
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167 |
self._item = item |
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|
168 |
def __repr__(self): |
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169 |
return '<cubicweb.utils.RepeatList at %s item=%s size=%s>' % ( |
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170 |
id(self), self._item, self._size) |
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171 |
def __len__(self): |
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172 |
return self._size |
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173 |
def __nonzero__(self): |
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|
174 |
return self._size |
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|
175 |
def __iter__(self): |
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176 |
return repeat(self._item, self._size) |
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177 |
def __getitem__(self, index): |
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178 |
return self._item |
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|
179 |
def __delitem__(self, idc): |
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|
180 |
assert self._size > 0 |
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|
181 |
self._size -= 1 |
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|
182 |
def __getslice__(self, i, j): |
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|
183 |
# XXX could be more efficient, but do we bother? |
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|
184 |
return ([self._item] * self._size)[i:j] |
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|
185 |
def __add__(self, other): |
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|
186 |
if isinstance(other, RepeatList): |
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changeset
|
187 |
if other._item == self._item: |
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|
188 |
return RepeatList(self._size + other._size, self._item) |
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|
189 |
return ([self._item] * self._size) + other[:] |
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changeset
|
190 |
return ([self._item] * self._size) + other |
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changeset
|
191 |
def __radd__(self, other): |
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changeset
|
192 |
if isinstance(other, RepeatList): |
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[querier] introduce RepeatList class, used to optimize size of data returned for result set description
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changeset
|
193 |
if other._item == self._item: |
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[querier] introduce RepeatList class, used to optimize size of data returned for result set description
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changeset
|
194 |
return RepeatList(self._size + other._size, self._item) |
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|
195 |
return other[:] + ([self._item] * self._size) |
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changeset
|
196 |
return other[:] + ([self._item] * self._size) |
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changeset
|
197 |
def __eq__(self, other): |
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changeset
|
198 |
if isinstance(other, RepeatList): |
6492
47a284c0d012
fix some pylint detected errors
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6448
diff
changeset
|
199 |
return other._size == self._size and other._item == self._item |
5069
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[querier] introduce RepeatList class, used to optimize size of data returned for result set description
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changeset
|
200 |
return self[:] == other |
5077
dc448c9ad9dd
[rset] cubes such as iliane hi-jack rset description by poping some lines from it. Handle this on RepeatList
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parents:
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diff
changeset
|
201 |
def pop(self, i): |
dc448c9ad9dd
[rset] cubes such as iliane hi-jack rset description by poping some lines from it. Handle this on RepeatList
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parents:
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changeset
|
202 |
self._size -= 1 |
5069
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[querier] introduce RepeatList class, used to optimize size of data returned for result set description
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changeset
|
203 |
|
0 | 204 |
class UStringIO(list): |
205 |
"""a file wrapper which automatically encode unicode string to an encoding |
|
206 |
specifed in the constructor |
|
207 |
""" |
|
208 |
||
209 |
def __nonzero__(self): |
|
210 |
return True |
|
1549
f87561822e27
some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents:
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changeset
|
211 |
|
0 | 212 |
def write(self, value): |
213 |
assert isinstance(value, unicode), u"unicode required not %s : %s"\ |
|
214 |
% (type(value).__name__, repr(value)) |
|
215 |
self.append(value) |
|
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some basic calendar manipulation functions, delete-trailing-whitespace
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parents:
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changeset
|
216 |
|
0 | 217 |
def getvalue(self): |
218 |
return u''.join(self) |
|
219 |
||
220 |
def __repr__(self): |
|
221 |
return '<%s at %#x>' % (self.__class__.__name__, id(self)) |
|
222 |
||
223 |
||
224 |
class HTMLHead(UStringIO): |
|
225 |
"""wraps HTML header's stream |
|
226 |
||
227 |
Request objects use a HTMLHead instance to ease adding of |
|
228 |
javascripts and stylesheets |
|
229 |
""" |
|
230 |
js_unload_code = u'jQuery(window).unload(unloadPageData);' |
|
6406
39663630ca3c
xml-escape <script> tags generated by HTMLHead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
6374
diff
changeset
|
231 |
# Making <script> tag content work properly with all possible |
39663630ca3c
xml-escape <script> tags generated by HTMLHead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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diff
changeset
|
232 |
# content-types (xml/html) and all possible browsers is very |
39663630ca3c
xml-escape <script> tags generated by HTMLHead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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diff
changeset
|
233 |
# tricky, see http://www.hixie.ch/advocacy/xhtml for an in-depth discussion |
39663630ca3c
xml-escape <script> tags generated by HTMLHead
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changeset
|
234 |
xhtml_safe_script_opening = u'<script type="text/javascript"><!--//--><![CDATA[//><!--\n' |
39663630ca3c
xml-escape <script> tags generated by HTMLHead
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parents:
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diff
changeset
|
235 |
xhtml_safe_script_closing = u'\n//--><!]]></script>' |
0 | 236 |
|
237 |
def __init__(self): |
|
238 |
super(HTMLHead, self).__init__() |
|
239 |
self.jsvars = [] |
|
240 |
self.jsfiles = [] |
|
241 |
self.cssfiles = [] |
|
242 |
self.ie_cssfiles = [] |
|
243 |
self.post_inlined_scripts = [] |
|
244 |
self.pagedata_unload = False |
|
245 |
||
246 |
||
247 |
def add_raw(self, rawheader): |
|
248 |
self.write(rawheader) |
|
249 |
||
3838
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[web] safety belt to avoid overriding pageid with loadxhtml()
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|
250 |
def define_var(self, var, value, override=True): |
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
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|
251 |
"""adds a javascript var declaration / assginment in the header |
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[web] safety belt to avoid overriding pageid with loadxhtml()
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|
252 |
|
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[web] safety belt to avoid overriding pageid with loadxhtml()
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|
253 |
:param var: the variable name |
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[web] safety belt to avoid overriding pageid with loadxhtml()
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changeset
|
254 |
:param value: the variable value (as a raw python value, |
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[web] safety belt to avoid overriding pageid with loadxhtml()
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changeset
|
255 |
it will be jsonized later) |
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
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changeset
|
256 |
:param override: if False, don't set the variable value if the variable |
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
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changeset
|
257 |
is already defined. Default is True. |
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changeset
|
258 |
""" |
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[web] safety belt to avoid overriding pageid with loadxhtml()
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changeset
|
259 |
self.jsvars.append( (var, value, override) ) |
0 | 260 |
|
261 |
def add_post_inline_script(self, content): |
|
262 |
self.post_inlined_scripts.append(content) |
|
28
9b7067bfaa15
introduce html_headers.on_load() method as a shortcut for add_post_inline_script('''jQuery(document).ready(...''')
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parents:
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diff
changeset
|
263 |
|
4830
10e8bc190695
[javascript] fix #736185: add_onload / jQuery.bind() vs. jQuery.one()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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diff
changeset
|
264 |
def add_onload(self, jscode, jsoncall=_MARKER): |
10e8bc190695
[javascript] fix #736185: add_onload / jQuery.bind() vs. jQuery.one()
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parents:
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diff
changeset
|
265 |
if jsoncall is not _MARKER: |
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[javascript] fix #736185: add_onload / jQuery.bind() vs. jQuery.one()
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parents:
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diff
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|
266 |
warn('[3.7] specifying jsoncall is not needed anymore', |
10e8bc190695
[javascript] fix #736185: add_onload / jQuery.bind() vs. jQuery.one()
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parents:
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diff
changeset
|
267 |
DeprecationWarning, stacklevel=2) |
6448
8590d82e9b1b
[javascript] update to jQuery 1.4.2 and jQuery-ui 1.8.5
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parents:
6409
diff
changeset
|
268 |
self.add_post_inline_script(u"""$(cw).one('server-response', function(event) { |
4903
627fcd90e08f
fix bad conflict resolution
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4899
diff
changeset
|
269 |
%s});""" % jscode) |
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270 |
|
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271 |
|
0 | 272 |
def add_js(self, jsfile): |
273 |
"""adds `jsfile` to the list of javascripts used in the webpage |
|
274 |
||
275 |
This function checks if the file has already been added |
|
276 |
:param jsfile: the script's URL |
|
277 |
""" |
|
278 |
if jsfile not in self.jsfiles: |
|
279 |
self.jsfiles.append(jsfile) |
|
280 |
||
281 |
def add_css(self, cssfile, media): |
|
282 |
"""adds `cssfile` to the list of javascripts used in the webpage |
|
283 |
||
284 |
This function checks if the file has already been added |
|
285 |
:param cssfile: the stylesheet's URL |
|
286 |
""" |
|
287 |
if (cssfile, media) not in self.cssfiles: |
|
288 |
self.cssfiles.append( (cssfile, media) ) |
|
289 |
||
4860
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parents:
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diff
changeset
|
290 |
def add_ie_css(self, cssfile, media='all', iespec=u'[if lt IE 8]'): |
0 | 291 |
"""registers some IE specific CSS""" |
4860
cedb6afdb7da
[web] fix #736332: iespec functionality for add_css
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parents:
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diff
changeset
|
292 |
if (cssfile, media, iespec) not in self.ie_cssfiles: |
cedb6afdb7da
[web] fix #736332: iespec functionality for add_css
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parents:
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diff
changeset
|
293 |
self.ie_cssfiles.append( (cssfile, media, iespec) ) |
0 | 294 |
|
295 |
def add_unload_pagedata(self): |
|
296 |
"""registers onunload callback to clean page data on server""" |
|
297 |
if not self.pagedata_unload: |
|
298 |
self.post_inlined_scripts.append(self.js_unload_code) |
|
299 |
self.pagedata_unload = True |
|
300 |
||
643
616191014b8b
[jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
28
diff
changeset
|
301 |
def getvalue(self, skiphead=False): |
0 | 302 |
"""reimplement getvalue to provide a consistent (and somewhat browser |
303 |
optimzed cf. http://stevesouders.com/cuzillion) order in external |
|
304 |
resources declaration |
|
305 |
""" |
|
306 |
w = self.write |
|
307 |
# 1/ variable declaration if any |
|
308 |
if self.jsvars: |
|
6406
39663630ca3c
xml-escape <script> tags generated by HTMLHead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
6374
diff
changeset
|
309 |
w(self.xhtml_safe_script_opening) |
3838
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3789
diff
changeset
|
310 |
for var, value, override in self.jsvars: |
5389
809d3b5b3d31
[python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5377
diff
changeset
|
311 |
vardecl = u'%s = %s;' % (var, json.dumps(value)) |
3838
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
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parents:
3789
diff
changeset
|
312 |
if not override: |
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3789
diff
changeset
|
313 |
vardecl = (u'if (typeof %s == "undefined") {%s}' % |
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3789
diff
changeset
|
314 |
(var, vardecl)) |
9cc134372bf8
[web] safety belt to avoid overriding pageid with loadxhtml()
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3789
diff
changeset
|
315 |
w(vardecl + u'\n') |
6406
39663630ca3c
xml-escape <script> tags generated by HTMLHead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
6374
diff
changeset
|
316 |
w(self.xhtml_safe_script_closing) |
0 | 317 |
# 2/ css files |
318 |
for cssfile, media in self.cssfiles: |
|
319 |
w(u'<link rel="stylesheet" type="text/css" media="%s" href="%s"/>\n' % |
|
3091
c3d73cecb29e
[html-head] escape js and css urls
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2678
diff
changeset
|
320 |
(media, xml_escape(cssfile))) |
0 | 321 |
# 3/ ie css if necessary |
322 |
if self.ie_cssfiles: |
|
4860
cedb6afdb7da
[web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
4859
diff
changeset
|
323 |
for cssfile, media, iespec in self.ie_cssfiles: |
cedb6afdb7da
[web] fix #736332: iespec functionality for add_css
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
4859
diff
changeset
|
324 |
w(u'<!--%s>\n' % iespec) |
0 | 325 |
w(u'<link rel="stylesheet" type="text/css" media="%s" href="%s"/>\n' % |
3091
c3d73cecb29e
[html-head] escape js and css urls
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2678
diff
changeset
|
326 |
(media, xml_escape(cssfile))) |
0 | 327 |
w(u'<![endif]--> \n') |
328 |
# 4/ js files |
|
329 |
for jsfile in self.jsfiles: |
|
3091
c3d73cecb29e
[html-head] escape js and css urls
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2678
diff
changeset
|
330 |
w(u'<script type="text/javascript" src="%s"></script>\n' % |
c3d73cecb29e
[html-head] escape js and css urls
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2678
diff
changeset
|
331 |
xml_escape(jsfile)) |
0 | 332 |
# 5/ post inlined scripts (i.e. scripts depending on other JS files) |
333 |
if self.post_inlined_scripts: |
|
6406
39663630ca3c
xml-escape <script> tags generated by HTMLHead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
6374
diff
changeset
|
334 |
w(self.xhtml_safe_script_opening) |
0 | 335 |
w(u'\n\n'.join(self.post_inlined_scripts)) |
6406
39663630ca3c
xml-escape <script> tags generated by HTMLHead
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
6374
diff
changeset
|
336 |
w(self.xhtml_safe_script_closing) |
643
616191014b8b
[jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
28
diff
changeset
|
337 |
header = super(HTMLHead, self).getvalue() |
616191014b8b
[jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
28
diff
changeset
|
338 |
if skiphead: |
616191014b8b
[jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
28
diff
changeset
|
339 |
return header |
616191014b8b
[jsoncontroller] reorganize _html_exec (used by replacePageChunk) to output required css and js scripts
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
28
diff
changeset
|
340 |
return u'<head>\n%s</head>\n' % header |
1549
f87561822e27
some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents:
1397
diff
changeset
|
341 |
|
0 | 342 |
|
343 |
class HTMLStream(object): |
|
344 |
"""represents a HTML page. |
|
345 |
||
346 |
This is used my main templates so that HTML headers can be added |
|
347 |
at any time during the page generation. |
|
1549
f87561822e27
some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents:
1397
diff
changeset
|
348 |
|
0 | 349 |
HTMLStream uses the (U)StringIO interface to be compliant with |
350 |
existing code. |
|
351 |
""" |
|
1549
f87561822e27
some basic calendar manipulation functions, delete-trailing-whitespace
sylvain.thenault@logilab.fr
parents:
1397
diff
changeset
|
352 |
|
0 | 353 |
def __init__(self, req): |
354 |
# stream for <head> |
|
355 |
self.head = req.html_headers |
|
356 |
# main stream |
|
357 |
self.body = UStringIO() |
|
358 |
self.doctype = u'' |
|
359 |
# xmldecl and html opening tag |
|
360 |
self.xmldecl = u'<?xml version="1.0" encoding="%s"?>\n' % req.encoding |
|
361 |
self.htmltag = u'<html xmlns="http://www.w3.org/1999/xhtml" ' \ |
|
362 |
'xmlns:cubicweb="http://www.logilab.org/2008/cubicweb" ' \ |
|
363 |
'xml:lang="%s" lang="%s">' % (req.lang, req.lang) |
|
3094
978ed8c2c0e4
[googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3091
diff
changeset
|
364 |
# keep main_stream's reference on req for easier text/html demoting |
978ed8c2c0e4
[googlemap] #344872 set request content-type to text/html
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3091
diff
changeset
|
365 |
req.main_stream = self |
0 | 366 |
|
367 |
def write(self, data): |
|
368 |
"""StringIO interface: this method will be assigned to self.w |
|
369 |
""" |
|
370 |
self.body.write(data) |
|
371 |
||
372 |
def getvalue(self): |
|
373 |
"""writes HTML headers, closes </head> tag and writes HTML body""" |
|
374 |
return u'%s\n%s\n%s\n%s\n%s\n</html>' % (self.xmldecl, self.doctype, |
|
375 |
self.htmltag, |
|
376 |
self.head.getvalue(), |
|
377 |
self.body.getvalue()) |
|
378 |
||
379 |
||
3371
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
380 |
try: |
5389
809d3b5b3d31
[python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5377
diff
changeset
|
381 |
# may not be there if cubicweb-web not installed |
5940
0e3ae19b181a
[uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5883
diff
changeset
|
382 |
if sys.version_info < (2, 6): |
5389
809d3b5b3d31
[python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5377
diff
changeset
|
383 |
import simplejson as json |
809d3b5b3d31
[python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5377
diff
changeset
|
384 |
else: |
809d3b5b3d31
[python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5377
diff
changeset
|
385 |
import json |
3371
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
386 |
except ImportError: |
5940
0e3ae19b181a
[uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5883
diff
changeset
|
387 |
json_dumps = None |
0e3ae19b181a
[uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5883
diff
changeset
|
388 |
|
3371
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
389 |
else: |
6134
272cfcc10a28
use logilab.common.date.ustrftime in json encoder to work around datetime.strftime limitation on dates < 1900
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
6044
diff
changeset
|
390 |
from logilab.common.date import ustrftime |
6176
33ba2c1dbf10
[cw.utils] avoid spurious warning, ustrftime may be globally imported
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6134
diff
changeset
|
391 |
|
5389
809d3b5b3d31
[python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5377
diff
changeset
|
392 |
class CubicWebJsonEncoder(json.JSONEncoder): |
5377
84d14ddfae13
[python2.6] prefer python2.6's builtin json module over simplejson
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5320
diff
changeset
|
393 |
"""define a json encoder to be able to encode yams std types""" |
5320
848e92bb81cc
[json] provide a custom json encoder for entities that includes eid in the json object
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
5077
diff
changeset
|
394 |
|
3371
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
395 |
def default(self, obj): |
5726
c3b99606644d
[json] fix json serialization for recent simplejson implementation, and test encoding of entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5426
diff
changeset
|
396 |
if hasattr(obj, 'eid'): |
c3b99606644d
[json] fix json serialization for recent simplejson implementation, and test encoding of entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5426
diff
changeset
|
397 |
d = obj.cw_attr_cache.copy() |
c3b99606644d
[json] fix json serialization for recent simplejson implementation, and test encoding of entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5426
diff
changeset
|
398 |
d['eid'] = obj.eid |
c3b99606644d
[json] fix json serialization for recent simplejson implementation, and test encoding of entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5426
diff
changeset
|
399 |
return d |
4466
8b0ca7904820
moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4335
diff
changeset
|
400 |
if isinstance(obj, datetime.datetime): |
6134
272cfcc10a28
use logilab.common.date.ustrftime in json encoder to work around datetime.strftime limitation on dates < 1900
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
6044
diff
changeset
|
401 |
return ustrftime(obj, '%Y/%m/%d %H:%M:%S') |
4466
8b0ca7904820
moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4335
diff
changeset
|
402 |
elif isinstance(obj, datetime.date): |
6134
272cfcc10a28
use logilab.common.date.ustrftime in json encoder to work around datetime.strftime limitation on dates < 1900
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
6044
diff
changeset
|
403 |
return ustrftime(obj, '%Y/%m/%d') |
4466
8b0ca7904820
moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4335
diff
changeset
|
404 |
elif isinstance(obj, datetime.time): |
3371
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
405 |
return obj.strftime('%H:%M:%S') |
4466
8b0ca7904820
moved generic datetime manipulation function to lgc
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4335
diff
changeset
|
406 |
elif isinstance(obj, datetime.timedelta): |
4000
4b16a7c01a25
fix jsonization of interval
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3902
diff
changeset
|
407 |
return (obj.days * 24 * 60 * 60) + obj.seconds |
3371
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
408 |
elif isinstance(obj, decimal.Decimal): |
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
409 |
return float(obj) |
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
410 |
try: |
5389
809d3b5b3d31
[python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
5377
diff
changeset
|
411 |
return json.JSONEncoder.default(self, obj) |
3371
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
412 |
except TypeError: |
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
413 |
# we never ever want to fail because of an unknown type, |
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
414 |
# just return None in those cases. |
762a7bc3b73d
this has probably be killed by a bad merge...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3364
diff
changeset
|
415 |
return None |
4652
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
416 |
|
5940
0e3ae19b181a
[uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5883
diff
changeset
|
417 |
def json_dumps(value): |
0e3ae19b181a
[uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5883
diff
changeset
|
418 |
return json.dumps(value, cls=CubicWebJsonEncoder) |
0e3ae19b181a
[uilib] refactor json_dumps code organization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5883
diff
changeset
|
419 |
|
4879
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
420 |
|
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
421 |
@deprecated('[3.7] merge_dicts is deprecated') |
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
422 |
def merge_dicts(dict1, dict2): |
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
423 |
"""update a copy of `dict1` with `dict2`""" |
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
424 |
dict1 = dict(dict1) |
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
425 |
dict1.update(dict2) |
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
426 |
return dict1 |
56c16efedc51
deprecates merge_dicts
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4844
diff
changeset
|
427 |
|
4652
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
428 |
from logilab.common import date |
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
429 |
_THIS_MOD_NS = globals() |
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
430 |
for funcname in ('date_range', 'todate', 'todatetime', 'datetime2ticks', |
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
431 |
'days_in_month', 'days_in_year', 'previous_month', |
6176
33ba2c1dbf10
[cw.utils] avoid spurious warning, ustrftime may be globally imported
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6134
diff
changeset
|
432 |
'next_month', 'first_day', 'last_day', |
4652
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
433 |
'strptime'): |
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
434 |
msg = '[3.6] %s has been moved to logilab.common.date' % funcname |
7c41eea7fc30
restore 3.5 compat for date functions moved to lgc.date in 3.6 (closes #716055)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4511
diff
changeset
|
435 |
_THIS_MOD_NS[funcname] = deprecated(msg)(getattr(date, funcname)) |